Amazon’s concept focuses on a “segregated airspace” below 500 feet (152 meters). Airspace above this height is where most civil and military aviation activities takes place. Amazon suggests the following four segregated areas:

Below 200 feet (61 meters) a “Low-Speed, Localized Traffic” area reserved for “(1) terminal non-transit operations such as surveying, videography and inspection, and (2) operations for lesser-equipped vehicles, e.g. ones without sophisticated sense-and-avoid (SAA) technology”. Potentially, this area would also be the airspace where Amazon Prime Air drones would complete the final stages of their parcel deliveries, landing near homes to drop off Amazon packages.

Between 200 feet (61 meters) and 400 feet (122 meters) a “High-Speed Transit” space, “designated for well-equipped vehicles as determined by relevant performance standards and rules”. Most likely this area would be reserved for autonomous UAVs traveling at high-speeds and beyond the visual line of sight (BVLOS) of their operators. Minimum requirements would be inter-drone communication as well as standardized sense-and-avoid technologies to avoid collisions amongst themselves and other potential hazards such as birds and tall infrastructure.

Between 400 (122 meters) and 500 feet (152 meters) a permanent ‘No Fly Zone’ in which “sUAS (small unmanned aerial systems) operators will not be permitted to fly, except in emergencies”.

Finally, this airspace model will also encompass ‘Predefined Low Risk Locations.’ Altitude and equipage restrictions in these locations will be established in advance by aviation authorities. These Predefined Low Risk Locations will include areas like designated Academy of Model Aeronautics airfields, where members will meet preestablished parameters for altitude and equipage.

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